In lcms analysis some times we get sodium and potassium adducts. if the compound is havine sodium ions how can we confirm wether sodium is from sample or it is a adduct?

2 Answers   Teva Pharmaceuticals,

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why 6 tablets use for dissolution

1 Answers   Cadila, IPCA, SUN, Teva Pharmaceuticals,

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differnc btw c18 and c-8 column

3 Answers   Cipla,

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In standard weight box used for calibration of analytical balance there are two numbers (Qty) of 20mg, 200mg,2.oGM weights. Why?

2 Answers   Orchid,

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Explain what is a base line?

1 Answers  

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why base line not starts from zero in gc?

1 Answers   Aurobindo, FDC, Reddy Labs,

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why we should take dst factor for below 1%moisture samples

0 Answers   Ind Swift Laboratories,

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What is the formula for Tapdensity /

6 Answers   Dr Reddys, GR Intrachem,

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please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development

0 Answers   Pfizer,

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Explain about Low pressure gradient and High Pressure gradient systems in HPLC?

4 Answers   Mylan, Orchid, Roshanico,

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what is end capping in hplc coulmn

2 Answers   Lupin, Zydus Cadila,

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what is optical active and non active give examples?

1 Answers   GVK,

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